Abstract
Coal mine shafts are narrow, the environment is complex and changeable, the wired monitoring system has poor scalability, complicated wiring, and high costs and maintenance costs. The use of Wireless Sensor Networks (WSNs) can effectively solve the defects of the wired system and improve the monitoring level. Node energy is the most valuable resource for WSNs deployed in the complex environment of coal mines. Due to the limited energy of sensor nodes, how to balance the energy consumption, extend the network lifetime and pursue the maximum resource utilization are the hot issues in WSNs research. Underground coal mines have narrow and long lanes, and WSNs are distributed in strips. Therefore, based on the existing research, this paper proposes that when sensor nodes are evenly deployed in narrow and narrow lanes, the node's forwarded data volume and forwarded routing are dynamically adjusted to make nodes Energy consumption is balanced and network life cycle is maximized. The experimental simulation proves that the algorithm proposed in this paper is superior to other algorithms.
Highlights
Safe production is an eternal theme for the coal industry, a prerequisite for achieving sustainable and stable development of the enterprise, and a necessary guarantee for building a harmonious coal mine
In order to facilitate the research of this issue, this paper focuses on the energy consumption of nodes during data forwarding, while the energy consumption of the perception of the surrounding environment and data processing are negligible
For the other three algorithms, the spacing between the nodes is Through experimental simulation and analysis, the data forwarding optimization algorithm proposed in this paper is capable of calculating the maximum life cycle of the network by the nonlinear programming method, and obtaining the optimal forwarding distance and forwarding data amount of the node
Summary
Safe production is an eternal theme for the coal industry, a prerequisite for achieving sustainable and stable development of the enterprise, and a necessary guarantee for building a harmonious coal mine. How to reduce unnecessary message transmission and reception, and when no data is sent and received, make the node enter the sleep state in time In order to effectively use the energy of the nodes and extend the network life cycle, it is an important problem that the wireless sensor network needs to solve [35]. In a bid to facilitate the research, this paper makes the following assumptions: 1) The sink has enough energy to be fixed at one end of the roadway without any move and its energy consumption can be negligible; 2) The sensor nodes are identical; 3) The sensor node is deployed in the precise location; 4) The sensor node communicates with the sink via multihop transmission; 5) All data in the network flow from a node with a larger number to a node with a smaller number; 6) The monitoring area can be fully covered; 7) The network delay is neglected. According to the node energy consumption model, 1) dij < d0
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